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99970266880512 = 2933722717092663
BaseRepresentation
bin10110101110110000100100…
…001111101101101000000000
3111002222001201210012120011000
4112232300210033231220000
5101100403101310134022
6552341412342452000
730025420256612550
oct2656604417555000
9432861653176130
1099970266880512
1129943174486456
12b266aa8134000
1343a2204153b12
141a9882ddd9160
15b856c93116ac
hex5aec243eda00

99970266880512 has 640 divisors, whose sum is σ = 340009295155200. Its totient is φ = 28409793527808.

The previous prime is 99970266880507. The next prime is 99970266880553. The reversal of 99970266880512 is 21508866207999.

99970266880512 is a `hidden beast` number, since 9 + 9 + 9 + 7 + 0 + 26 + 6 + 8 + 80 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37540466893 + ... + 37540469555.

It is an arithmetic number, because the mean of its divisors is an integer number (531264523680).

Almost surely, 299970266880512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99970266880512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170004647577600).

99970266880512 is an abundant number, since it is smaller than the sum of its proper divisors (240039028274688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99970266880512 is a wasteful number, since it uses less digits than its factorization.

99970266880512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4633 (or 4611 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 72.

The spelling of 99970266880512 in words is "ninety-nine trillion, nine hundred seventy billion, two hundred sixty-six million, eight hundred eighty thousand, five hundred twelve".